Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Long Tons, Not Seasonally Adjusted

Frequency:  Annual

Data Beginning 1906 Exclude Ore Containing More Than Five Percent Manganese. Data Available For 1860, 1870, 1875, And 1880-1888 Pig Iron Production. Source: U.S. Bureau Of The Mines, Mineral Resources; Minerals Yearbook.

This NBER data series a01238 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01238